<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>单文件上传/下载</title>
</head>
<body>
<p>单文件上传</p>
<form action="/upload" method="post" enctype="multipart/form-data">
    <input type="file" name="uploadFile" value="请选择文件">
    <input type="submit" value="上传">
</form>
--------------------------------------------------------------------
<p>多文件上传</p>
<form action="/uploads" method="post" enctype="multipart/form-data">
    <input type="file" name="uploadFiles" value="请选择文件" multiple>
    <input type="submit" value="上传">
</form>
---------------------------------------------------------------------
<p>文件下载</p>
<a href="download">下载文件</a>
</body>
</html>